/*
 * PGN_Reader : A simple pgn reader for chess games.
 * Copyright (C) 2011 Laurent BERNABE
 * 
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.gmail.bernabe.laurent.java_swing.pgn_reader.processing;

/**
 * A "tape control" letting us navigate throw the game.
 * @author laurent-bernabe
 *
 */
public interface PlayingTape {

	/**
	 * Go to start of the game (before the first half move).
	 */
	public abstract void gotoStart();
	
	/**
	 * Go to end of the game (after the last half move, played).
	 */
	public abstract void gotoEnd();
	
	/**
	 * Play next half move, if any.
	 */
	public abstract void playNextHalfMove();
	
	/**
	 * Cancel current half move, if not already at game start.
	 */
	public abstract void goBackOneHalfMove();
	
}
